quick-create-app-cli/lib/init.js

前端基础建设模版脚手架，快速搭建PC、HybridApp、微信小程序、微前端等项目

const { logSymbols, chalk } = require('./utils/dependencies')
const {
  resolvePath,
  pathExists,
  copyFileToPath,
  createLoadSpinner,
  removeFile,
  replaceTemplates,
  executeCommand
} = require('./utils/index')

//文件获取
const { downloadTemplate, cloneTemplate } = require('./clone')

//检查本地是否重名
const isCheckProjectNameRepetition = async function (projectName) {
  if (projectName && projectName.length) {
    try {
      let isExist = await pathExists(projectName)
      if (isExist) {
        //文件夹重名
        console.log(logSymbols.error, chalk.red('The project already exists.'))
        process.exit()
      } else {
        return Promise.resolve(projectName)
      }
    } catch (error) {
      console.error(error)
      process.exit()
    }
  } else {
    console.error(`请输入项目名称`)
    process.exit()
  }
}

//下载项目
async function downloadProjectTemplate(meta) {
  //加载动画
  let spinner = createLoadSpinner('Initializing project...')
  //模版文件夹地址
  let templatePath = resolvePath(`../template/`)
  try {
    let fileDirPath = `${templatePath}/${meta.fileDirName}`

    // 返回 Node.js 进程的当前工作目录
    let processPath = process.cwd()

    //项目名称
    let projectName = meta.projectName.toLowerCase()

    //项目地址
    let targetPath = `${processPath}/${projectName}`

    //判断模板路径是否存在,否则下载
    let isExist = await pathExists(fileDirPath)
    if (!isExist) {
      await downloadTemplate(meta.fileUrl, templatePath)
    }
    //复制文件并移除模版文件夹
    await copyFileToPath(fileDirPath, targetPath)
    removeFile(templatePath)

    //替换模版
    let packagePath = `${targetPath}/package.json`

    //替换模版文件
    await replaceTemplates(
      //替换package.json中的模版符号
      {
        project_name: projectName
      },
      packagePath
    )

    //是否安装依赖
    if (meta.platform === 'app' && meta.installed) {
      await executeCommand('cnpm', ['install'], targetPath)
    } else if (meta.platform === 'web' && meta.installed) {
      await executeCommand('qbnpm', ['install'], targetPath)
    }

    // 初始化项目模版成功
    spinner.text = 'Initialize project successful.'
    spinner.succeed()
    console.log(
      `To get start: \n 
               cd ${projectName}
               ${chalk.blue('npm install')} 
               ${chalk.blue('npm run serve')} 
    `
    )
    return Promise.resolve(targetPath)
  } catch (error) {
    //删除模版文件夹
    removeFile(templatePath)
    spinner.text = chalk.red(`Initialize project failed. ${error}`)
    spinner.fail()
    process.exit()
  }
}

//拉取项目
const cloneProjectTemplate = async function (meta) {
  //加载动画
  let spinner = createLoadSpinner('Initializing project...')
  try {
    //项目名称
    let projectName = meta.projectName.toLowerCase()

    //本地模版地址
    let templatePath = resolvePath(`../../${projectName}/`)
    console.log(templatePath)

    //判断模板路径是否存在,否则下载
    let isExist = await pathExists(templatePath)
    if (!isExist) {
      await cloneTemplate(meta.fileUrl, templatePath, meta.cloneOptions)
    }

    //替换模版
    let packagePath = `${templatePath}/package.json`

    //替换模版文件
    await replaceTemplates(
      //替换package.json中的模版符号
      {
        project_name: projectName
      },
      packagePath
    )

    //是否安装依赖(pc项目和micro项目默认使用qbnpm,app和微信小程序使用cnpm)
    if (meta.platform === 'pc' && meta.installed) {
      await executeCommand('qbnpm', ['install'], templatePath)
    } else if (
      (meta.platform === 'app' || meta.platform === 'wechat') &&
      meta.installed
    ) {
      await executeCommand('cnpm', ['install'], templatePath)
    }

    // 初始化项目模版成功
    spinner.text = 'Initialize project successful.'
    spinner.succeed()
    console.log(
      `To get start: \n 
                   cd ${projectName}
                   ${!meta.installed ? chalk.blue('npm install') : ''}
                   ${chalk.blue('npm run serve')}               
        `
    )
    return Promise.resolve(templatePath)
  } catch (error) {
    spinner.text = chalk.red(`Initialize project failed. ${error}`)
    spinner.fail()
    process.exit()
  }
}

module.exports = {
  isCheckProjectNameRepetition,
  downloadProjectTemplate,
  cloneProjectTemplate
}